Naviera Amazónica Peruana S. A. (NAPSA) was founded in 2 March 1970 in order to develop river transportation in the Peruvian Amazonia. This was the beginning of oil extraction in the Peruvian forest and a scheduled line was required to transport oil products and to export the products of wood exploitation. The first ship of NAPSA was M/N Yacu Mama. The company set up its headquarters in Iquitos and has been since then one of the main companies in Loreto.M/N Yacu Runa I was launched in 1971, followed in 1973 by M/N Yacu Guagua, allowing to reach the ports of the Gulf of Mexico from Iquitos in 21 days. The first ships were later replaced by M/N Yacu Taita, Yacu Pato and Yacu Caspi. In the 1980s, the capacity of the company was ever increased by the launching of bigger ships, M/N Yacu Wasi and Yacu Wayo, and again in the 1990s with M/N Yacu Puma and Yacu Runa II.For basic commercial purposes, NAPSA was split in the 1990s into Naviera Yacu Puma S.A. and Agencia Naviera Maynas S.A. At the end of the 1990s, oil extraction was drastically reduced and the company reduced its service to one ship (M/N Yacu Puma) per 60 days in Iquitos, chartering extra-ships when required by wood exportations from Loreto.